oblique projection

oblique projection

[ə′blēk prə′jek·shən]

(mapping)

A map projection with its axis at an oblique angle to the plane of the equator.

oblique projection

A method of projection in which a three-dimensional object, having one principal face parallel to the picture plane, is represented by projecting parallel lines at some angle other than 90 degrees. See also: Projection drawing

oblique projection

Oblique gnomonic projection.

A map projection with the axis inclined at an oblique angle to the plane of the equator.

In Sections 5-6, we modify the basic setting by introducing an oblique projection that enables us to deflate approximate (possibly generalized) eigenspaces and to introduce a truly deflated GMRes method.

The ACR standard specifies additional projections that may be required under certain circumstances (eg, cross-table lateral projections for trauma and oblique projections to assess the neural foramina).

Because it is often difficult to perform traditional oblique projections in patients who have limited mobility, the nontraditional projections presented in this article may be valuable in some instances.

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